    <div class="nav">
        <div class="nav-section">
            <a <?php echo (!$this->uri->segment(2) || $this->uri->segment(2)==='user') ? 'class="cur" href="#this"' : 'href="'.site_url('admin/user').'"'; ?> >用户管理</a>
            <a <?php echo $this->uri->segment(2)==='goods' ? 'class="cur" href="#this"' : 'href="'.site_url('admin/goods').'"'; ?> >信息发布</a>
            <a <?php echo $this->uri->segment(2)==='site' ? 'class="cur" href="#this"' : 'href="'.site_url('admin/site').'"'; ?> >网站申请审核</a>
            <a <?php echo $this->uri->segment(2)==='tag' ? 'class="cur" href="#this"' : 'href="'.site_url('admin/tag').'"'; ?> >标签管理</a>
            <a <?php echo $this->uri->segment(2)==='city' ? 'class="cur" href="#this"' : 'href="'.site_url('admin/city').'"'; ?> >城市管理</a>
            <a <?php echo $this->uri->segment(2)==='suggestion' ? 'class="cur" href="#this"' : 'href="'.site_url('admin/suggestion').'"'; ?> >用户反馈</a>
            <a target="_blank" href="<?php echo site_url('cron/regular_craw'); ?>" >抓取全部网站</a>
        </div>
    </div>
